xref: /freebsd/share/examples/ses/srcs/getencstat.c (revision 38f0b757fd84d17d0fc24739a7cda160c4516d81)
1 /* $FreeBSD$ */
2 /*
3  * Copyright (c) 2000 by Matthew Jacob
4  * All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions, and the following disclaimer,
11  *    without modification, immediately at the beginning of the file.
12  * 2. The name of the author may not be used to endorse or promote products
13  *    derived from this software without specific prior written permission.
14  *
15  * Alternatively, this software may be distributed under the terms of the
16  * the GNU Public License ("GPL").
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
22  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28  * SUCH DAMAGE.
29  *
30  * Matthew Jacob
31  * Feral Software
32  * mjacob@feral.com
33  */
34 
35 #include <unistd.h>
36 #include <stddef.h>
37 #include <stdint.h>
38 #include <stdlib.h>
39 #include <stdio.h>
40 #include <string.h>
41 #include <sys/ioctl.h>
42 #include <fcntl.h>
43 #include <cam/scsi/scsi_all.h>
44 #include <cam/scsi/scsi_enc.h>
45 
46 #include "eltsub.h"
47 
48 int
49 main(int a, char **v)
50 {
51 	encioc_element_t *objp;
52 	encioc_elm_status_t ob;
53 	encioc_elm_desc_t objd;
54 	encioc_elm_devnames_t objdn;
55 	int fd, nobj, f, i, verbose, quiet, errors;
56 	u_char estat;
57 
58 	if (a < 2) {
59 		fprintf(stderr, "usage: %s [ -v ] device [ device ... ]\n", *v);
60 		return (1);
61 	}
62 	errors = quiet = verbose = 0;
63 	if (strcmp(v[1], "-V") == 0) {
64 		verbose = 2;
65 		v++;
66 	} else if (strcmp(v[1], "-v") == 0) {
67 		verbose = 1;
68 		v++;
69 	} else if (strcmp(v[1], "-q") == 0) {
70 		quiet = 1;
71 		verbose = 0;
72 		v++;
73 	}
74 	while (*++v) {
75 
76 		fd = open(*v, O_RDONLY);
77 		if (fd < 0) {
78 			perror(*v);
79 			continue;
80 		}
81 		if (ioctl(fd, ENCIOC_GETNELM, (caddr_t) &nobj) < 0) {
82 			perror("ENCIOC_GETNELM");
83 			(void) close(fd);
84 			continue;
85 		}
86 		if (ioctl(fd, ENCIOC_GETENCSTAT, (caddr_t) &estat) < 0) {
87 			perror("ENCIOC_GETENCSTAT");
88 			(void) close(fd);
89 			continue;
90 		}
91 		if ((verbose == 0 || quiet == 1) && estat == 0) {
92 			if (quiet == 0)
93 				fprintf(stdout, "%s: Enclosure OK\n", *v);
94 			(void) close(fd);
95 			continue;
96 		}
97 		fprintf(stdout, "%s: Enclosure Status ", *v);
98 		if (estat == 0) {
99 			fprintf(stdout, "<OK");
100 		} else {
101 			errors++;
102 			f = '<';
103 			if (estat & SES_ENCSTAT_INFO) {
104 				fprintf(stdout, "%cINFO", f);
105 				f = ',';
106 			}
107 			if (estat & SES_ENCSTAT_NONCRITICAL) {
108 				fprintf(stdout, "%cNONCRITICAL", f);
109 				f = ',';
110 			}
111 			if (estat & SES_ENCSTAT_CRITICAL) {
112 				fprintf(stdout, "%cCRITICAL", f);
113 				f = ',';
114 			}
115 			if (estat & SES_ENCSTAT_UNRECOV) {
116 				fprintf(stdout, "%cUNRECOV", f);
117 				f = ',';
118 			}
119 		}
120 		fprintf(stdout, ">\n");
121 		objp = calloc(nobj, sizeof (encioc_element_t));
122 		if (objp == NULL) {
123 			perror("calloc");
124 			(void) close(fd);
125 			continue;
126 		}
127                 if (ioctl(fd, ENCIOC_GETELMMAP, (caddr_t) objp) < 0) {
128                         perror("ENCIOC_GETELMMAP");
129                         (void) close(fd);
130                         continue;
131                 }
132 		for (i = 0; i < nobj; i++) {
133 			ob.elm_idx = objp[i].elm_idx;
134 			if (ioctl(fd, ENCIOC_GETELMSTAT, (caddr_t) &ob) < 0) {
135 				perror("ENCIOC_GETELMSTAT");
136 				(void) close(fd);
137 				break;
138 			}
139 			bzero(&objd, sizeof(objd));
140 			objd.elm_idx = objp[i].elm_idx;
141 			objd.elm_desc_len = UINT16_MAX;
142 			objd.elm_desc_str = calloc(UINT16_MAX, sizeof(char));
143 			if (objd.elm_desc_str == NULL) {
144 				perror("calloc");
145 				(void) close(fd);
146 				continue;
147 			}
148 			if (ioctl(fd, ENCIOC_GETELMDESC, (caddr_t)&objd) < 0) {
149 				perror("ENCIOC_GETELMDESC");
150 				(void) close(fd);
151 				break;
152 			}
153 			bzero(&objdn, sizeof(objdn));
154 			objdn.elm_idx = objp[i].elm_idx;
155 			objdn.elm_names_size = 128;
156 			objdn.elm_devnames = calloc(128, sizeof(char));
157 			if (objdn.elm_devnames == NULL) {
158 				perror("calloc");
159 				(void) close(fd);
160 				break;
161 			}
162 			/*
163 			 * This ioctl isn't critical and has a good chance
164 			 * of returning -1.
165 			 */
166 			(void)ioctl(fd, ENCIOC_GETELMDEVNAMES, (caddr_t)&objdn);
167 			fprintf(stdout, "Element 0x%x: %s", ob.elm_idx,
168 			    geteltnm(objp[i].elm_type));
169 			fprintf(stdout, ", %s",
170 			    stat2ascii(objp[i].elm_type, ob.cstat));
171 			if (objd.elm_desc_len > 0)
172 				fprintf(stdout, ", descriptor: '%s'",
173 				    objd.elm_desc_str);
174 			if (objdn.elm_names_len > 0)
175 				fprintf(stdout, ", dev: '%s'",
176 				    objdn.elm_devnames);
177 			fprintf(stdout, "\n");
178 			free(objdn.elm_devnames);
179 		}
180 		free(objp);
181 		(void) close(fd);
182 	}
183 	return (errors);
184 }
185